Highlights: Dimensions : 16" x 20" x 1" Filter Material: Spun Fiberglass Minimum Efficiency Reporting Value: 4 MERV Filters Dust Filters Pollen Filter Frame Material: Moisture Resistant Die Cut Chipboard The frame is made wi...

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Highlights: Dimensions : 16" x 20" x 1" Filter Material: Spun Fiberglass Minimum Efficiency Reporting Value: 4 MERV Filters Dust Filters Pollen Filter Frame Material: Moisture Resistant Die Cut Chipboard The frame is made with one continuous piece of chipboard to guard against corner separation and is strengthened by a metal retainer The filtering medium is continuous filament spun glass Sandard grade furnace

  • Lasts up to 30 days
  • UL Class II
  • Protects heating and air conditioning equipment
  • Sturdy chipboard frame and metal retainer contributes to filter strength
  • Maximum air flow
  • Lasts up to 30 days
  • UL Class II
  • Protects heating and air conditioning equipment
  • Sturdy chipboard frame and metal retainer contributes to filter strength
  • Maximum air flow

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